Science Quiz-2 (Grade 5)

Electrical _____________ are materials that do not allow on electric current to flow through them.

• Conductors

• Insulators

• Wires

All electrical appliances have electrical insulators. Is it true or false?

• True

• False

• None of them

Materials that allow an electric currents to flow through them are called electrical conductors. Is it true or false?

• True

• False

• None of them

A sharp sound has a lower pitch than a high sharp sound. Is it true or false

• True

• False

• None of them

The loudness of a sound is the intensity of the sound.

• True

• False

• None of them

We have to take preventive measures to protect our ears from ______________sounds.

• Slow

• Loud

• Fast

What’s is the meaning of pitch?

• For a long time

• Disturbing

• Sharpness of a sound

What is the meaning of deafness?

• loudness of sound

• Loss of hearing

• for a long time

What is the meaning of electric current?

• Flow of electricity in an electric circuit

• Equipment that use electricity to work

• None of them

What materials allow an electric current to flow through them?

• Electrical insulators

• Electric circuit

• Electrical conductors